A 2008 Olympic judo bronze medalist, Rousey switched in 2010 to mixed martial arts (MMA) fighting in an LA gym and won her first professional MMA fight in 25 seconds, and a bantamweight title within five fights.

Since joining UFC in 2013, she's still undefeated, has appeared on the cover of ESPN's Body Issue, and starred in a couple of blockbuster Hollywood movies.

Rousey destroys her opponents, quickly. Only one of her UFC opponents has made it out of the first round against her and her last two fights lasted 30 seconds - combined.

Today, she destroyed Floyd Mayweather, just after she received ESPY's award for Best Fighter: